. >> gun control was the hot topic at a town hall meeting hosted by congresswoman jackie speier, a survivor at the massive shoot ing at jonestown. >> she shouldn't have the gun and if they put them away like you are supposed to be, you wouldn't have as many people dying. >> it would be foolish if we presume that the only reason there is gun violence -- . [ inaudible ]. >> reporter: today in san mateo people lined up for a gun buyback. >> we're definitely going go through all of our money. >> 1, 2, 3 and 4 for you. >> reporter: $100 for arhandgun, shotgun or rifle, $200 for an assault weapon. >> the san mateo county sheriff's deputies collected piles of guns. >> reporter: congresswoman speir was at the gun buyback and she sent out a tweet saying, "holding the street sweeping made me realize that voluntary gun buybacks are an important of gun violence prevention." they got 680 gulps in the buyback,24 of them assault gun weapons. >>> a rather unusual device was turned in today during a gun buyback in seattle. seattle police say someone turned into a surface-to-air missile and was among hundred